>COBOL Ready Trace / COBOL Reset Trace - Enterprise COBOL for z/OS OS/VS COBOL allowed the COBOL READY TRACE and COBOL RESET TRACE statements. Enterprise COBOL does not support these statements. To get function similar to the COBOL READY TRACE statement, you can use either Debug Tool, or the COBOL language available in the Enterprise COBOL compiler.

>COBOL Ready Trace - HP-UX COBOL The COBOL READY TRACE statement is a debugging feature which causes each section and paragraph name subsequently reached to appear on the screen in order of execution.